Home / 56,120.43-77,447.18-30,627.01

Finding the Fourth Proportional to 56,120.43, 77,447.18 and 30,627.01

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Solution

The fourth proportional to 56,120.43, 77,447.18 and 30,627.01 is: 42,265.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,120.43 : 77,447.18 = 30,627.01 : x
  2. Step 2: Convert to fraction form
    56,120.43/77,447.18 = 30,627.01/x
  3. Step 3: Cross multiply
    56,120.43x = 77,447.18 × 30,627.01
  4. Step 4: Simplify right side
    56,120.43x = 2,371,975,782.24
  5. Step 5: Solve for x
    x = 2,371,975,782.24/56,120.43
  6. Step 6: Final answer
    x = 42,265.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.